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Diffstat (limited to 'Source/JavaScriptCore/runtime/JSByteArray.h')
-rw-r--r-- | Source/JavaScriptCore/runtime/JSByteArray.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/Source/JavaScriptCore/runtime/JSByteArray.h b/Source/JavaScriptCore/runtime/JSByteArray.h deleted file mode 100644 index 06181d901..000000000 --- a/Source/JavaScriptCore/runtime/JSByteArray.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Copyright (C) 2009 Apple Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef JSByteArray_h -#define JSByteArray_h - -#include "JSObject.h" - -#include <wtf/ByteArray.h> - -namespace JSC { - - class JSByteArray : public JSNonFinalObject { - friend class JSGlobalData; - public: - typedef JSNonFinalObject Base; - - bool canAccessIndex(unsigned i) { return i < m_storage->length(); } - JSValue getIndex(ExecState*, unsigned i) - { - ASSERT(canAccessIndex(i)); - return jsNumber(m_storage->data()[i]); - } - - void setIndex(unsigned i, int value) - { - ASSERT(canAccessIndex(i)); - if (value & ~0xFF) { - if (value < 0) - value = 0; - else - value = 255; - } - m_storage->data()[i] = static_cast<unsigned char>(value); - } - - void setIndex(unsigned i, double value) - { - ASSERT(canAccessIndex(i)); - if (!(value > 0)) // Clamp NaN to 0 - value = 0; - else if (value > 255) - value = 255; - m_storage->data()[i] = static_cast<unsigned char>(value + 0.5); - } - - void setIndex(ExecState* exec, unsigned i, JSValue value) - { - double byteValue = value.toNumber(exec); - if (exec->hadException()) - return; - if (canAccessIndex(i)) - setIndex(i, byteValue); - } - - private: - JS_EXPORT_PRIVATE JSByteArray(ExecState*, Structure*, ByteArray* storage); - - public: - static JSByteArray* create(ExecState* exec, Structure* structure, ByteArray* storage) - { - JSByteArray* array = new (NotNull, allocateCell<JSByteArray>(*exec->heap())) JSByteArray(exec, structure, storage); - array->finishCreation(exec); - return array; - } - - JS_EXPORT_PRIVATE static Structure* createStructure(JSGlobalData&, JSGlobalObject*, JSValue prototype, const JSC::ClassInfo* = &s_info); - - JS_EXPORT_PRIVATE static bool getOwnPropertySlot(JSC::JSCell*, JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&); - JS_EXPORT_PRIVATE static bool getOwnPropertySlotByIndex(JSC::JSCell*, JSC::ExecState*, unsigned propertyName, JSC::PropertySlot&); - JS_EXPORT_PRIVATE static bool getOwnPropertyDescriptor(JSObject*, ExecState*, const Identifier&, PropertyDescriptor&); - JS_EXPORT_PRIVATE static void put(JSC::JSCell*, JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue, JSC::PutPropertySlot&); - JS_EXPORT_PRIVATE static void putByIndex(JSC::JSCell*, JSC::ExecState*, unsigned propertyName, JSC::JSValue, bool shouldThrow); - - JS_EXPORT_PRIVATE static void getOwnPropertyNames(JSC::JSObject*, JSC::ExecState*, JSC::PropertyNameArray&, EnumerationMode); - - static JS_EXPORTDATA const ClassInfo s_info; - - size_t length() const { return m_storage->length(); } - - WTF::ByteArray* storage() const { return m_storage.get(); } - - ~JSByteArray(); - JS_EXPORT_PRIVATE static void destroy(JSCell*); - - static size_t offsetOfStorage() { return OBJECT_OFFSETOF(JSByteArray, m_storage); } - - protected: - static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesGetPropertyNames | JSObject::StructureFlags; - - void finishCreation(ExecState* exec) - { - Base::finishCreation(exec->globalData()); - putDirect(exec->globalData(), exec->globalData().propertyNames->length, jsNumber(m_storage->length()), ReadOnly | DontDelete); - } - - private: - RefPtr<WTF::ByteArray> m_storage; - }; - - JSByteArray* asByteArray(JSValue value); - inline JSByteArray* asByteArray(JSValue value) - { - return static_cast<JSByteArray*>(value.asCell()); - } - - inline bool isJSByteArray(JSValue v) { return v.isCell() && v.asCell()->classInfo() == &JSByteArray::s_info; } - -} // namespace JSC - -#endif // JSByteArray_h |